* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

#root {
  height: 100%;
}

.container {
  height: 100%;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

nav {
  height: 44px;
}

ul, li {
  list-style: none;
}

nav ul {
  display: flex;
  border-top: solid 1px #ccc;
}

nav ul li {
  flex: 1;
  text-align: center;
  line-height: 44px;
}

nav ul li.active {
  background: #eee;
}